CN201545059U - Transitional pull rod and motor steering system - Google Patents
Transitional pull rod and motor steering system Download PDFInfo
- Publication number
- CN201545059U CN201545059U CN2009202465525U CN200920246552U CN201545059U CN 201545059 U CN201545059 U CN 201545059U CN 2009202465525 U CN2009202465525 U CN 2009202465525U CN 200920246552 U CN200920246552 U CN 200920246552U CN 201545059 U CN201545059 U CN 201545059U
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- CN
- China
- Prior art keywords
- pull bar
- adjustment cover
- transition
- steering system
- bar body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a transitional pull rod and a motor steering system. The motor steering system comprises a first steering axle, a second steering axle, and a transitional pull rod arranged between the steering axles, wherein the transitional pull rod comprises a pull rod body and ball joints arranged at the two ends of the pull rod body, the transitional pull rod further comprises adjusting sleeves arranged between the pull rod body and the ball joints, an internal thread section and an external thread section are arranged on each adjusting sleeve, the internal thread sections are connected with the ball joints, and the external thread sections are connected with the pull rod body. Because the adjusting sleeves are arranged between the pull rod body and the ball joints, the purpose of adjusting the length without rotating the pull rod body can be achieved by rotating the adjusting sleeves.
Description
Technical field
The utility model relates to automobile steering system, specifically, relates to the transition pull bar in a kind of automobile steering system.
Background technology
In medium and heavy automobile double steeraxle system, turn to simultaneously for guaranteeing one, two bridges, need between one, two bridges, the transition pull bar is set, this pull bar plays transmission power and motion effect.As shown in Figure 1, transition Tiebar structure at present commonly used is: comprise the first transition pull bar 10 ' and the second transition pull bar 20 ' (purpose of being arranged to two pull bar structure combining is to dodge bumper when regulating whole transition pull bar length), this first transition pull bar 10 of steering drop arm 30 ' connection ' and the second transition pull bar 20 ', and this first transition pull bar 10 ' with the second transition pull bar 20 ' with steering drop arm 30 ' adopt respectively sphero-joint 40 ' be connected, there is certain spacious momentum in it, assembly error in addition, make vehicle dispatch from the factory preceding or use a period of time after front-wheel occur eating and all need to adjust transition pull bar length under the tire failure condition and make two front-wheels parallel under the craspedodrome state.The length of in said structure, adjusting the transition pull bar be by rotate the first transition pull bar 10 ' or the second transition pull bar 20 ' (can regulate revolving of this bar and sphero-joint and length) by the length of rotating this bar regulate whole transition pull bar length.Though this kind structure can reach the purpose of adjusting transition pull bar length, but because steering drop arm 30 ' exist cost higher, as remove steering drop arm 30 ' then need the transition pull bar is adopted integral structure, but integral structure is when the length of adjusting lever, can wholely rotate, cause the rear portion of adjusting lever and bumper to interfere.
The utility model content
Technical problem to be solved in the utility model is the above-mentioned defective that the transition pull bar at prior art has, and provides a kind of body of rod to rotate and the transition pull bar of adjustable in length.
In order to address the above problem, the transition pull bar that the utility model provides, be used for automobile steering system, comprise pull bar body and the sphero-joint that is arranged on pull bar body two ends, also comprise the adjustment cover that is arranged between described pull bar body and the sphero-joint, described adjustment cover is provided with internal thread segment and external thread section, and described internal thread segment is connected with described sphero-joint, and described external thread section is connected with described pull bar body.
Above-mentioned transition pull bar, wherein, it is that the cross sectional shape of an end of hexagonal structure or described adjustment cover is same as and mills the cross sectional shape that constitutes behind the two symmetrical limits on the circular shaft that the cross section is arranged in an end of described adjustment cover.
Above-mentioned transition pull bar, wherein, described adjustment cover is provided with fluting, and described fluting is arranged on the middle part of described adjustment cover and extends to two ends vertically.
Above-mentioned transition pull bar, wherein, described fluting is at least two, and rectangular distribution on described at least two circumferencial directions that are recessed at described adjustment cover.
Above-mentioned transition pull bar, wherein, the outer wall with described adjustment cover is connected part of described pull bar body is provided with clip.
Further, the utility model also provides a kind of automobile steering system, it comprises first steeraxle, second steeraxle and is arranged on a transition pull bar between two steeraxles, described transition pull bar comprises the pull bar body and is arranged on the sphero-joint at pull bar body two ends, described transition pull bar also comprises the adjustment cover that is arranged between described pull bar body and the sphero-joint, described adjustment cover is provided with internal thread segment and external thread section, described internal thread segment is connected with described sphero-joint, and described external thread section is connected with described pull bar body.
Above-mentioned automobile steering system, wherein, it is that the cross sectional shape of an end of hexagonal structure or described adjustment cover is same as and mills the cross sectional shape that constitutes behind the two symmetrical limits on the circular shaft that the cross section is arranged in an end of described adjustment cover.
Above-mentioned automobile steering system, wherein, described adjustment cover is provided with fluting, and described fluting is arranged on the middle part of described adjustment cover and extends to two ends vertically.
Above-mentioned automobile steering system, wherein, described fluting is at least two, and rectangular distribution on described at least two circumferencial directions that are recessed at described adjustment cover.
Above-mentioned automobile steering system, wherein, the outer wall with described adjustment cover is connected part of described pull bar body is provided with clip.
Beneficial functional of the present utility model is, adjusts cover owing to be provided with between bar body and sphero-joint, and can reach the body of rod by rotation adjustment cover need not rotate and the purpose of pull bar adjustable in length.After automobile steering system uses transition pull bar of the present utility model, connect the middle transition pull bar of a bridge and two bridges owing to avoid interfering and to rotate the defective that to adjust length with the propons bumper thereby can solve doube bridge vehicle steering swivel system.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the automobile double steeraxle system construction drawing of prior art;
Fig. 2 is an automobile double steeraxle system construction drawing of the present utility model;
Fig. 3 is transition Tiebar structure figure of the present utility model;
Fig. 4 is the adjustment noose composition among Fig. 3;
Fig. 5 is the A-A cutaway view among Fig. 4;
Fig. 6 is the end surface shape figure of the adjustment cover of an embodiment;
Fig. 7 is the end surface shape figure of the adjustment cover of another embodiment;
Fig. 8 is the transition Tiebar structure figure of minimum length;
Fig. 9 is the transition Tiebar structure figure of extreme length.
Wherein, Reference numeral
10 '-the first transition pull bars
20 '-the second transition pull bars
30 '-steering drop arm
40 '-sphero-joint
100-transition pull bar
The 101-pull bar body of rod
The 102-sphero-joint
103-adjusts cover
The 1031-internal thread segment
The 1032-external thread section
The 1033-end
The 1034-fluting
The 104-clip
The 105-bolt
The 106-nut
The 107-packing ring
200-first steeraxle
300-second steeraxle
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as the utility model claims protection domain.
Consult the constructional drawing of Fig. 2 automobile double steeraxle of the present utility model system construction drawing, as shown in the figure, automobile double steeraxle of the present utility model system comprises first steeraxle 200, second steeraxle 300 and is arranged on a transition pull bar 100 between two steeraxles.
Consult Fig. 3 and Fig. 4, transition pull bar 100 comprise pull bar body 101, be arranged on the sphero-joint 102 at pull bar body 101 two ends and be arranged on pull bar body 101 and sphero-joint 102 between adjustment cover 103, by these two sphero-joints 102 pull bar body 101 is connected with first steeraxle 200, second steeraxle 300, thereby guarantees that first steeraxle 200, second steeraxle 300 turn to simultaneously.
Adjust cover 103 and be provided with internal thread segment 1031 and external thread section 1032, internal thread segment 1031 is connected with the section of being threaded of sphero-joint 102, external thread section 1032 is connected with the section of being threaded of bar body 101, by adjust cover 103 with sphero-joint 102 with after pull bar body 101 is connected, cover 103 is adjusted in rotation, can change the length of transition pull bar 100, as Fig. 8 and shown in Figure 9, make the adjustable length scope of transition pull bar 100 be: L+2 * Lmin～L+2 * Lmax, wherein, L is the length of pull bar body 101.
Adjust fixing after the length for convenience, adjust cover 103, sphero-joint 102 and pull bar body 101 by after being threaded, fastening with clip 104 clenched bolts 105, nut 106 and packing ring 107.Preferably, clip 104 is arranged on overlapping on the outer walls of 103 connecting bridges with adjustment of pull bar body 101.
Consult Fig. 4 and Fig. 5, in order to make adjustment cover 103 that the certain deformation amount be arranged diametrically, to make things convenient for clip 104 fastening, adjust cover 103 and be provided with fluting 1034, this fluting 1034 is arranged on the middle part of adjusting cover and extends to two ends vertically, this is slotted and is at least two in addition, these at least two flutings 1034 rectangular distribution on the circumferencial direction of adjusting cover.In the present embodiment, fluting 1034 is three.
Use the spanner rotation to adjust cover for convenience, structure as shown in Figure 6 is arranged in an end of adjustment cover, that is, it is hexagonal structure that the cross section is arranged in end 1033; Or an end of adjusting cover is arranged to structure as shown in Figure 7, and the cross sectional shape of end 1033 is same as and mills the cross sectional shape that constitutes behind the two symmetrical limits on the circular shaft.Certainly, structure herein is not limited to above-mentioned two kinds of structures.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. transition pull bar, be used for automobile steering system, comprise pull bar body and the sphero-joint that is arranged on bar body two ends, it is characterized in that, also comprise the adjustment cover that is arranged between described pull bar body and the sphero-joint, described adjustment cover is provided with internal thread segment and external thread section, and described internal thread segment is connected with described sphero-joint, and described external thread section is connected with described pull bar body.
2. transition pull bar according to claim 1 is characterized in that, it is that the cross sectional shape of an end of hexagonal structure or described adjustment cover is same as and mills the cross sectional shape that constitutes behind the two symmetrical limits on the circular shaft that the cross section is arranged in an end of described adjustment cover.
3. transition pull bar according to claim 2 is characterized in that, described adjustment cover is provided with fluting, and described fluting is arranged on the middle part of described adjustment cover and extends to two ends vertically.
4. transition pull bar according to claim 3 is characterized in that described fluting is at least two, and rectangular distribution on described at least two circumferencial directions that are recessed at described adjustment cover.
5. transition pull bar according to claim 4 is characterized in that, the outer wall with described adjustment cover is connected part of described pull bar body is provided with clip.
6. automobile steering system, comprise first steeraxle, second steeraxle and be arranged on a transition pull bar between two steeraxles, described transition pull bar comprises the pull bar body and is arranged on the sphero-joint at pull bar body two ends, it is characterized in that, described transition pull bar also comprises the adjustment cover that is arranged between described pull bar body and the sphero-joint, described adjustment cover is provided with internal thread segment and external thread section, and described internal thread segment is connected with described sphero-joint, and described external thread section is connected with described pull bar body.
7. automobile steering system according to claim 6 is characterized in that, it is that the cross sectional shape of an end of hexagonal structure or described adjustment cover is same as and mills the cross sectional shape that constitutes behind the two symmetrical limits on the circular shaft that the cross section is arranged in an end of described adjustment cover.
8. automobile steering system according to claim 7 is characterized in that, described adjustment cover is provided with fluting, and described fluting is arranged on the middle part of described adjustment cover and extends to two ends vertically.
9. automobile steering system according to claim 8 is characterized in that described fluting is at least two, and rectangular distribution on described at least two circumferencial directions that are recessed at described adjustment cover.
10. automobile steering system according to claim 9 is characterized in that, the outer wall with described adjustment cover is connected part of described pull bar body is provided with clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202465525U CN201545059U (en) | 2009-11-02 | 2009-11-02 | Transitional pull rod and motor steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202465525U CN201545059U (en) | 2009-11-02 | 2009-11-02 | Transitional pull rod and motor steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201545059U true CN201545059U (en) | 2010-08-11 |
Family
ID=42600223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202465525U Expired - Lifetime CN201545059U (en) | 2009-11-02 | 2009-11-02 | Transitional pull rod and motor steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201545059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868491A (en) * | 2014-03-17 | 2014-06-18 | 中联重科股份有限公司 | Zero calibration device and zero calibration method for electro-hydraulic control steering axle |
| CN107215818A (en) * | 2017-06-13 | 2017-09-29 | 意欧斯智能科技股份有限公司 | A kind of rod assembly length adjustment structure |
| CN111907591A (en) * | 2020-07-21 | 2020-11-10 | 东风商用车有限公司 | Double-front-axle steering pull rod system, vehicle and wheel parallelism adjusting method |
-
2009
- 2009-11-02 CN CN2009202465525U patent/CN201545059U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868491A (en) * | 2014-03-17 | 2014-06-18 | 中联重科股份有限公司 | Zero calibration device and zero calibration method for electro-hydraulic control steering axle |
| CN103868491B (en) * | 2014-03-17 | 2017-02-22 | 中联重科股份有限公司 | Zero calibration device and zero calibration method for electro-hydraulic control steering axle |
| CN107215818A (en) * | 2017-06-13 | 2017-09-29 | 意欧斯智能科技股份有限公司 | A kind of rod assembly length adjustment structure |
| CN111907591A (en) * | 2020-07-21 | 2020-11-10 | 东风商用车有限公司 | Double-front-axle steering pull rod system, vehicle and wheel parallelism adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |